Changes in Matter Test

1. Evaporation…

• occurs when it is hot.

• occurs at ANY temperature.

• occurs when it is cold.

• never occurs.

1. Water and other substances can change from one state to another when either heat is added or removed.

• True

• False

1. When heat is removed, ________ and freezing occur?

• evaporation

• gases

• condensation

1. Melting occurs when…

• a solid is heated enough to change to a liquid.

• liquids flow.

• colors change.

• liquids get cold.

Condensation occurs when...

• a solid is heated enough to change to a liquid.

• a gas is cooled enough to form a liquid.

• a liquid cools enough to form a solid.

• we breathe

Boiling is...

• the change of a shape.

• a liquid cooling enough to form a solid.

• the change from a liquid to a gas with bubbles of gas forming in the liquid at a given temperature because a lot of heat is being added from a source.

• occurs when liquids change to gases rather slowly at the surface level

What temperature does water freeze?

• O C or 32 F

• 32 C or 0 F

• 100 C or 212 F

• 212 C or 100 C

What temperature does water boil?

• 0 C or 32 F

• 32 C or 0 F

• 100 C or 212 F

• 212 C or 100 C

What happens when solid ice melts?

• It turns into a gas.

• It turns into liquid water.

• It stays a solid.

• Ice does not melt.

When heat is added, ____________ , boiling, and evaporation occur.

• liquids

• bubbles

• melting

• gases